source: configure.in @ c29a0e0

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since c29a0e0 was c29a0e0, checked in by Shane Alcock <salcock@…>, 9 years ago
  • Started adding a new libtrace tool (tracetopends) which can be used to easily find the endpoints that are contributing the most traffic in a network. An endpoint can be either an IPv4 address, IPv6 address or a MAC address and output can be sorted by packet count, byte count or payload byte count.

Hopefully this will make Chris happy... :)

NOTE: manpages are just copies from tracesplit - remember to update them before release!

  • Property mode set to 100644
File size: 17.2 KB
Line 
1# Process this file with autoconf to produce a configure script.
2
3# Now you only need to update the version number in two places - below,
4# and in the README
5
6AC_INIT([libtrace],[3.0.11],[contact@wand.net.nz],[libtrace])
7
8LIBTRACE_MAJOR=3
9LIBTRACE_MID=0
10LIBTRACE_MINOR=11
11
12# OpenSolaris hides libraries like libncurses in /usr/gnu/lib, which is not
13# searched by default - add it to LDFLAGS so we at least have a chance of
14# finding it
15if test -d "/usr/gnu/lib"; then
16        LDFLAGS+=" -L/usr/gnu/lib"
17fi
18
19AC_CONFIG_MACRO_DIR([m4])
20AC_CONFIG_SRCDIR(lib/trace.c)
21AM_INIT_AUTOMAKE
22
23# Make sure we use the relatively silent automake output
24m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
25
26# Define our libtrace version number externally so we can use it in the source
27# as well, if needed.
28AC_DEFINE([LIBTRACE_MAJOR],${LIBTRACE_MAJOR},[libtrace major version])
29AC_DEFINE([LIBTRACE_MID],${LIBTRACE_MID},[libtrace mid version])
30AC_DEFINE([LIBTRACE_MINOR],${LIBTRACE_MINOR},[libtrace minor version])
31
32# These are all the files we want to be built for us by configure
33AC_CONFIG_FILES([Makefile lib/Makefile docs/Makefile libpacketdump/Makefile
34        tools/Makefile tools/traceanon/Makefile tools/tracepktdump/Makefile
35        tools/tracemerge/Makefile tools/tracereport/Makefile
36        tools/tracertstats/Makefile tools/tracesplit/Makefile
37        tools/tracestats/Makefile tools/tracetop/Makefile
38        tools/tracereplay/Makefile tools/tracediff/Makefile
39        tools/traceends/Makefile
40        examples/Makefile examples/skeleton/Makefile examples/rate/Makefile
41        examples/stats/Makefile examples/tutorial/Makefile
42        docs/libtrace.doxygen
43        lib/libtrace.h
44        ])
45
46
47# Function that checks if the C++ compiler actually works - there's a bit of
48# oversight in autoconf that will set the C++ compiler to g++ if no compiler
49# is found, even if g++ is not present! So we need an extra test to make sure
50# that the compiler works :(
51
52AC_DEFUN([rw_PROG_CXX_WORKS],
53[AC_REQUIRE([AC_PROG_CXX])dnl
54AC_CACHE_CHECK([whether the C++ compiler works],
55        [rw_cv_prog_cxx_works],
56        [AC_LANG_PUSH([C++])
57        AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
58                [rw_cv_prog_cxx_works=yes],
59                [rw_cv_prog_cxx_works=no])
60        AC_LANG_POP([C++])])
61])
62
63# Put all our automake definitions in config.h
64AM_CONFIG_HEADER([config.h])
65
66# Checks for C and C++ compilers
67AC_PROG_CC
68AC_PROG_CXX
69rw_PROG_CXX_WORKS
70
71if test "$rw_cv_prog_cxx_works" = "no"; then
72        AC_MSG_ERROR("Failed to find working C++ compiler")
73fi
74
75# Checking for 'install'
76AC_PROG_INSTALL
77
78# Checking for bison and flex
79AC_CHECK_PROGS(YACC, 'bison -y' byacc yacc)
80AM_PROG_LEX
81
82# All our source files for function replacements are in lib/
83AC_CONFIG_LIBOBJ_DIR(lib)
84
85# Check for various "replacement" functions
86AC_FUNC_MALLOC
87AC_FUNC_REALLOC
88
89# *BSD doesn't have strndup. Currently provide our own.
90AC_REPLACE_FUNCS(strndup)
91
92
93# Checks for typedefs, structures, and compiler characteristics.
94AC_C_CONST
95AC_C_INLINE
96AC_C_BIGENDIAN
97AC_TYPE_SIZE_T
98AC_HEADER_TIME
99AC_SYS_LARGEFILE
100
101LIBPKTDUMP_LIBS="-ltrace "
102ADD_LDFLAGS="$ADD_LDFLAGS -L\$(abs_top_srcdir)/lib"
103LIBTRACE_LIBS=""
104TOOLS_LIBS=""
105
106# Set our C compiler flags based on the gcc version
107if test "$GCC" = "yes"; then
108       
109        gcc_version=`gcc -dumpversion`
110
111        # This is probably not the most reliable way to test whether our
112        # compiler supports visibility, but it's better than nothing
113        #
114        # According to the gcc wiki - http://gcc.gnu.org/wiki/Visibility -
115        # visibility is supported in gcc 4.0 or later, so we just need to
116        # check the major version number
117
118        major=${gcc_version%\.*\.*}
119
120        if test "$major" -lt 4; then
121                vis=no
122        else
123                vis=yes
124        fi
125       
126        CFLAGS="$CFLAGS -Wall -Wmissing-prototypes"
127        CXXFLAGS="$CXXFLAGS -Wall"
128        LIBCFLAGS="$CFLAGS"
129        LIBCFLAGS="$LIBCFLAGS -DLT_BUILDING_DLL=1"
130        LIBCXXFLAGS="$CXXFLAGS"
131        LIBCXXFLAGS="$CXXFLAGS -DLT_BUILDING_DLL=1"
132       
133        if test "$vis" = "yes"; then
134                LIBCFLAGS="$LIBCFLAGS -Wextra -fvisibility=hidden"
135                LIBCXXFLAGS="$CXXFLAGS -Wextra -fvisibility=hidden"
136        fi
137fi
138
139# Check for libtool
140AC_PROG_LIBTOOL
141
142# Checks for library functions.
143AC_PROG_GCC_TRADITIONAL
144
145# Fail if any of these functions are missing
146AC_CHECK_FUNCS(socket strdup strlcpy strcasecmp strncasecmp snprintf vsnprintf)
147
148AC_CHECK_SIZEOF([long int])
149
150
151# Checks for header files.
152AC_HEADER_STDC
153AC_CHECK_HEADERS(pcap.h pcap-int.h pcap-bpf.h net/bpf.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h sys/prctl.h)
154
155
156# OpenSolaris puts ncurses.h in /usr/include/ncurses rather than /usr/include,
157# so check for that
158AC_CHECK_HEADERS(ncurses.h,,[missing_ncurses=true])
159
160if test "x$missing_ncurses" = xtrue; then
161        if test -f "/usr/include/ncurses/ncurses.h"; then
162                AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Has nested ncurses header])
163        fi
164fi
165
166
167# Check for the presence of various networking headers and define appropriate
168# macros
169AC_CHECK_HEADERS(netinet/in.h)
170AC_CHECK_HEADERS(netpacket/packet.h,[
171        libtrace_netpacket_packet_h=true
172        AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[has net])
173])
174AC_CHECK_HEADER(net/if.h,
175        AC_DEFINE(HAVE_NET_IF_H,1,[has net/if.h header]),,[
176 #include <sys/types.h>
177 #include <sys/socket.h>
178])
179
180AC_CHECK_HEADER(netinet/ether.h,
181        AC_DEFINE(HAVE_NETINET_ETHER_H,1,[has netinet/ether.h header]),,[
182 #include <sys/types.h>
183 #include <sys/socket.h>
184 #include <netinet/in.h>
185 #include <net/if.h>
186])
187
188AC_CHECK_HEADER(netinet/if_ether.h,
189        AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[has netinet/if_ether.h]),,[
190 #include <sys/types.h>
191 #include <sys/socket.h>
192 #include <netinet/in.h>
193 #include <net/if.h>
194])
195
196AC_CHECK_HEADER(net/if_arp.h,
197        AC_DEFINE(HAVE_NET_IF_ARP_H,1,[has net/if_arp.h]),,[
198 #include <sys/types.h>
199 #include <sys/socket.h>
200 #include <netinet/in.h>
201 #include <net/if.h>
202])
203
204# Check for sdl_len in sockaddr_dl - sockaddr_dl is used on BSD systems
205if test "$libtrace_netpacket_packet_h" != "true"; then
206        AC_CHECK_MEMBER([struct sockaddr_dl.sdl_len],
207                AC_DEFINE(HAVE_SDL_LEN,1,[Has sdl_len in sockaddr_dl]),,[
208 #include <sys/types.h>
209 #include <sys/socket.h>
210 #include <net/if_dl.h>
211                ])
212fi
213
214# Checking for the right bpf header to include
215AC_CHECK_HEADER(pcap-bpf.h)
216AC_CHECK_HEADER(net/bpf.h)
217
218# Checking for libgdc
219AC_CHECK_HEADER(gdc.h,AC_DEFINE(HAVE_LIBGDC,1,[has gdc.h]))
220
221# Check for libpcap
222AC_CHECK_LIB(pcap,pcap_next_ex,pcapfound=1,pcapfound=0)
223AC_CHECK_FUNCS(pcap_inject pcap_sendpacket pcap_setnonblock)
224AC_CHECK_DECLS([BIOCSETIF],,,[
225#include <sys/types.h>
226#include <sys/time.h>
227#include <sys/ioctl.h>
228#include <net/bpf.h>
229])
230
231# Configure options for man pages
232AC_ARG_WITH(man,
233            AS_HELP_STRING(--with-man,install man pages by default),[
234             if test "$withval" = yes
235             then
236                     MANPAGES="docs/man/man3/[a-zA-Z]*.3"
237             else
238                     MANPAGES=""
239             fi
240])
241
242# Complain if we didn't find a suitable libpcap
243if test "$pcapfound" = 0; then
244        AC_MSG_ERROR(libpcap0.8 or greater is required to compile libtrace. If you have installed it in a non-standard location please use LDFLAGS to specify the location of the library)
245else
246        TOOL_LIBS="$TOOL_LIBS -lpcap"
247        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpcap"
248        AC_DEFINE([HAVE_LIBPCAP],1,[compile with libpcap support])
249        AC_DEFINE([HAVE_BPF_FILTER],1,[compile with bpf filter support])
250fi
251
252# Configure options for use of DAG cards
253# Originally borrowed from libpcap, but extended quite a bit :)
254# More details on how this check works:
255#       http://wand.net.nz/trac/libtrace/wiki/DAGNotes
256
257AC_ARG_WITH(dag,
258            AS_HELP_STRING(--with-dag[=DIR],include DAG live capture support (located in directory DIR, if supplied)),
259[
260        if test "$withval" = no
261        then
262                want_dag=no
263        elif test "$withval" = yes
264        then
265                want_dag=yes
266                dag_root=/usr/local/dag
267        else
268                want_dag=yes
269                dag_root=$withval
270        fi
271],[
272        #
273        # Use DAG API if present, otherwise don't
274        #
275        want_dag=ifpresent
276        dag_root=/usr/local/dag
277])
278
279# DAG 3.0 actually puts header files and shared libraries into sensible
280# places now, so we should be able to do a simple CHECK_LIB to see if
281# they're there!
282
283# Addendum: It turns out DAG 2.5 does this too, so we'll match DAG2.5 in here
284# also. This isn't such a bad thing, the DAG2.5 API is essentially the same as
285# DAG 3.0 and libtrace will use the same format_dagXX source for both
286libtrace_dag=false
287libtrace_dag_version=none
288
289if test "$with_dag" != no; then
290        AC_CHECK_LIB(dag, dag_open, dag_found=1, dag_found=0)
291        if test "$dag_found" = 1; then
292                ADD_LIBS="$ADD_LIBS -ldag"
293                LIBTRACE_LIBS="$LIBTRACE_LIBS -ldag"
294                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
295                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
296                libtrace_dag=true
297               
298                AC_DEFINE(DAG_VERSION,25,[defines the DAG driver version])
299                libtrace_dag_version=25
300        fi
301fi
302
303# TODO: turn the test part of the next block into a function, so it can be
304# called multiple times for $dag_root, /root/dag, /usr/local/lib
305dag_drv_v="DAG not present"
306
307# Now check for 2.4 DAG drivers which don't install as cleanly!
308if test "$with_dag" != no -a "$libtrace_dag" = false; then
309        AC_MSG_CHECKING(whether we have DAG 2.4 API instead)
310
311        if test -r "$dag_root/lib"; then
312                dag_lib_dir="$dag_root/lib"
313        else
314                dag_lib_dir="$dag_root"
315        fi
316       
317        if test -r "$dag_root/include"; then
318                dag_tools_dir="$dag_root/tools"
319                dag_include_dir="$dag_root/include"
320        else
321                dag_tools_dir="$dag_root"
322                dag_include_dir="$dag_root"
323        fi
324
325        if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a";
326        then
327                ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
328                ADD_LIBS="$ADD_LIBS -ldag"
329                ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
330                DAG_TOOLS_DIR=$dag_tools_dir
331                AC_SUBST([DAG_TOOLS_DIR])
332                libtrace_dag=true
333               
334                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
335                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
336                AC_DEFINE(DAG_VERSION, 24, [defines the DAG driver version])
337                libtrace_dag_version=24
338        else
339                if test "$want_dag" = yes; then
340                        AC_MSG_ERROR(DAG API not found under directory $dag_root
341; use --without-dag)
342                fi
343                libtrace_dag=false
344        fi
345        AC_MSG_RESULT($libtrace_dag)
346
347fi
348
349# Try to determine the DAG driver version
350#if test x"$libtrace_dag" = xtrue; then
351#       dag_drv_v="Unknown"
352#       files=`locate /usr/*dag*/VERSION`
353#       file_count=0
354#
355#       for i in $files; do
356#                if $file_count > 0; then
357#                        dag_drv_v="Indeterminate"
358#                        break
359#                fi
360#                dag_drv_v=`cat $i`
361#                file_count=$file_count+1
362#        done
363#fi
364#DAG_VERSION_NUM=$dag_drv_v
365
366have_ncurses=yes
367
368# Checks for various "optional" libraries
369AC_CHECK_LIB(z, deflate, have_zlib=1, have_zlib=0)
370AC_CHECK_LIB(bz2, BZ2_bzDecompressInit, have_bzip=1, have_bzip=0)
371AC_CHECK_LIB(lzo2, lzo1x_1_compress, have_lzo=1, have_lzo=0)
372AC_CHECK_LIB(pthread, pthread_create, have_pthread=1, have_pthread=0)
373
374# Check for ncurses
375AC_SEARCH_LIBS(mvprintw, ncurses, have_ncurses=yes, have_ncurses=no)
376LIBS=
377
378# These libraries have to be explicitly linked in OpenSolaris
379AC_SEARCH_LIBS(getservent, socket, have_socket=1, have_socket=0, -lnsl)         
380LIBS=
381
382AC_SEARCH_LIBS(inet_ntop, nsl, have_nsl=1, have_nsl=0, -lsocket)
383LIBS=
384
385# Check to see if we have libdl - *BSD has built-in libdl
386AC_SEARCH_LIBS(dlopen,dl, dlfound=1,dlfound=0 )
387LIBS=
388
389if test "$dlfound" = 0; then
390        AC_MSG_ERROR("Unable to find dlopen. Please use LDFLAGS to specify the location of libdl and re-run configure")
391fi
392
393if test "$ac_cv_search_dlopen" != "none required"; then
394        LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_dlopen"
395fi
396
397
398if test "$have_zlib" = 1; then
399        LIBTRACE_LIBS="$LIBTRACE_LIBS -lz"
400        AC_DEFINE(HAVE_LIBZ, 1, [Set to 1 if zlib is supported])
401fi
402
403if test "$have_bzip" = 1; then
404        LIBTRACE_LIBS="$LIBTRACE_LIBS -lbz2"
405        AC_DEFINE(HAVE_LIBBZ2, 1, [Set to 1 if bzip2 is supported])
406fi
407
408if test "$have_lzo" = 1; then
409        LIBTRACE_LIBS="$LIBTRACE_LIBS -llzo2"
410        AC_DEFINE(HAVE_LIBLZO2, 1, [Set to 1 if lzo2 is supported])
411fi
412
413if test "$have_pthread" = 1; then
414        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpthread"
415        AC_DEFINE(HAVE_LIBPTHREAD, 1, [Set to 1 if pthreads are supported])
416fi
417
418if test "$have_ncurses" = "yes"; then
419        if test "$ac_cv_search_mvprintw" != "none required"; then
420                TOOLS_LIBS="$TOOLS_LIBS $ac_cv_search_mvprintw"
421        fi
422fi
423
424if test "$have_nsl" = 1; then
425        if test "$ac_cv_search_inet_ntop" != "none required"; then
426                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_inet_ntop"
427                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_inet_ntop"
428        fi
429fi
430
431if test "$have_socket" = 1; then
432        if test "$ac_cv_search_getservent" != "none required"; then
433                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_getservent"
434                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_getservent"
435        fi
436fi
437
438
439# Stupid AC_SEARCH_LIB appends stuff to LIBS even when I don't want it to, so
440# just set libs to null here to avoid linking against them by default
441LIBS=
442
443
444# For now, the user has to explicitly ask for the LLVM stuff, as it's a bit
445# rough around the edges :(
446AC_ARG_WITH([llvm],
447        [AC_HELP_STRING([--with-llvm],
448                [support Just In Time compiler])],
449        use_llvm="yes",
450        use_llvm="no")
451JIT=no
452
453# Search for LLVM and the libraries that it requires
454if (test "$use_llvm" != "no"); then
455        AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
456
457        # XXX Hard coding the path is REALLY bad.
458        # llvm-gcc is installed in a stupid place in Debian / Ubuntu. Hard luck
459        # if you've installed it somewhere custom.
460        # Hopefully in future we can replace this with clang, which may or may
461        # not be installed somewhere intelligent.
462        AC_PATH_PROG(LLVM_GCC, llvm-gcc, no, /usr/lib/llvm/llvm/gcc-4.2/bin)
463
464        AC_LANG_PUSH([C++])
465        AC_CHECK_HEADERS([boost/lexical_cast.hpp], boost="yes", boost="no")
466        AC_LANG_POP([C++])
467
468               
469        if test "$boost" = "no"; then
470                AC_MSG_NOTICE([Unabled to find boost libraries.  JIT support disabled.])
471                JIT=no
472        elif test "$LLVM_CONFIG" = "no" ; then
473                AC_MSG_NOTICE([Unable to find llvm-config.  JIT support disabled.])
474                JIT=no
475        elif test "$LLVM_GCC" = "no"; then
476                AC_MSG_NOTICE([Unable to find llvm-gcc.  JIT support disabled.])
477                JIT=no
478        else
479                LIBCXXFLAGS="`$LLVM_CONFIG --cxxflags` $CXXFLAGS"
480                LIBTRACE_LIBS="$LIBRACE_LIBS `$LLVM_CONFIG --libs all`";
481                LDFLAGS="`$LLVM_CONFIG --ldflags` $LDFLAGS";
482                JIT=yes
483                AC_DEFINE(HAVE_LLVM, 1, [Set to 1 if you have LLVM installed])
484        fi
485fi
486
487
488# Define automake conditionals for use in our Makefile.am files
489AM_CONDITIONAL([HAVE_BPF_CAPTURE], [test "$ac_cv_have_decl_BIOCSETIF" = yes ])
490AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
491AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag_version" = 24])
492AM_CONDITIONAL([DAG2_5], [test "$libtrace_dag_version" = 25])
493AM_CONDITIONAL([HAVE_ZLIB], [test "$have_zlib" = 1])
494AM_CONDITIONAL([HAVE_BZLIB], [test "$have_bzip" = 1])
495AM_CONDITIONAL([HAVE_LZO], [test "$have_lzo" = 1])
496AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
497AM_CONDITIONAL([HAVE_LIBGDC], [test "$ac_cv_header_gdc_h" = yes])
498AM_CONDITIONAL([HAVE_LLVM], [test "x$JIT" != "xno" ])
499AM_CONDITIONAL([HAVE_NCURSES], [test "x$have_ncurses" = "xyes"])
500
501# Check for miscellaneous programs
502AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])
503
504AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])
505
506# Set all our output variables
507AC_SUBST([LIBTRACE_LIBS])
508AC_SUBST([LIBPKTDUMP_LIBS])
509AC_SUBST([TOOLS_LIBS])
510#AC_SUBST([ADD_LIBS])
511AC_SUBST([ADD_LDFLAGS])
512AC_SUBST([ADD_INCLS])
513AC_SUBST([LTLIBOBJS])
514AC_SUBST([MANPAGES])
515AC_SUBST([PACKAGE_VERSION])
516AC_SUBST([LIBTRACE_MAJOR])
517AC_SUBST([LIBTRACE_MID])
518AC_SUBST([LIBTRACE_MINOR])
519AC_SUBST([DAG_VERSION_NUM])
520AC_SUBST([HAVE_BPF_CAPTURE])
521AC_SUBST([HAVE_LIBGDC])
522AC_SUBST([HAVE_LLVM])
523AC_SUBST([HAVE_NCURSES])
524AC_SUBST([LIBCFLAGS])
525AC_SUBST([LIBCXXFLAGS])
526
527
528# Finally, output our Makefiles
529AC_OUTPUT
530
531# Function for reporting whether an option was set or not
532reportopt() {
533        if test x"$2" = xtrue -o x"$2" = xyes; then
534                AC_MSG_NOTICE([$1: Yes])
535        else
536                AC_MSG_NOTICE([$1: No])
537        fi
538}
539
540
541# Report which configure options were set
542echo
543AC_MSG_NOTICE([Libtrace version $PACKAGE_VERSION])
544reportopt "Compiled with PCAP 0.8 support" $ac_cv_lib_pcap_pcap_next_ex
545reportopt "Compiled with compressed trace (zlib) support" $ac_cv_lib_z_deflate
546reportopt "Compiled with compressed trace (bz2) support" $ac_cv_lib_bz2_BZ2_bzDecompressInit
547reportopt "Compiled with compressed trace (lzo write only) support" $ac_cv_lib_lzo2_lzo1x_1_compress
548if test x"$libtrace_dag" = xtrue; then
549        if test "$libtrace_dag_version" = 24; then
550                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.4])
551        elif test "$libtrace_dag_version" = 30; then
552                AC_MSG_NOTICE([Compiled with DAG live capture support: 3.0])
553        else
554                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.5])
555        fi     
556else
557        AC_MSG_NOTICE([Compiled with DAG live capture support: No])
558fi
559reportopt "Compiled with LLVM BPF JIT support" $JIT
560reportopt "Building man pages/documentation" $libtrace_doxygen
561reportopt "Building tracetop (requires libncurses)" $have_ncurses
562
563# Report any errors relating to missing bison, flex, etc.
564echo
565ac_cv_errcount=0;
566if test -z "$YACC"; then
567        AC_MSG_WARN(bison or yacc not found. Please install bison before continuing)
568        ac_cv_errcount=$((ac_cv_errcount + 1))
569fi
570
571if test -z "$LEXLIB"; then
572        AC_MSG_WARN(flex or lex not found. Please install flex before continuing)
573        ac_cv_errcount=$((ac_cv_errcount + 1))
574fi
575
576if test $ac_cv_errcount -gt 0; then
577        AC_MSG_ERROR(Critical packages are missing and compilation will fail. Please install the packages listed above and rerun ./configure)
578fi
579
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